Home / 56,207.28-84,308.04-16,764.72

Finding the Fourth Proportional to 56,207.28, 84,308.04 and 16,764.72

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Solution

The fourth proportional to 56,207.28, 84,308.04 and 16,764.72 is: 25,146.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,207.28 : 84,308.04 = 16,764.72 : x
  2. Step 2: Convert to fraction form
    56,207.28/84,308.04 = 16,764.72/x
  3. Step 3: Cross multiply
    56,207.28x = 84,308.04 × 16,764.72
  4. Step 4: Simplify right side
    56,207.28x = 1,413,400,684.35
  5. Step 5: Solve for x
    x = 1,413,400,684.35/56,207.28
  6. Step 6: Final answer
    x = 25,146.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.